Semiconducting tin oxide nanowires and thin films for Chemical Warfare Agents detection

Sberveglieri, Giorgio; Baratto, C.; Comini, Elisabetta; Faglia, G.; Ferroni, Matteo; Pardo, Matteo; Ponzoni, Andrea; Vomiero, Alberto

doi:10.1016/j.tsf.2009.04.004

Cited by 51 publications

(67 citation statements)

References 20 publications

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“…SnO 2 powder was used as the source material. The temperature of the substrates was ranging from 430 to 470 • C. The Pt clusters play a crucial role in the synthesis procedure acting as nucleation sites and promoting the growth of SnO 2 nanowires ( Figure 3) [35][36][37]. The nanowires obtained using the Pt as a catalyst material were thinner compared to the once obtained without seed layers.…”

Section: Synthesis Of Low-dimensional Materialsmentioning

confidence: 99%

Chemical Gas Sensors Studied at SENSOR Lab, Brescia (Italy): From Conventional to Energy-Efficient and Biocompatible Composite Structures

Galstyan

Kaur

Zappa

et al. 2020

Sensors

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In this paper, we present the investigations on metal oxide-based gas sensors considering the works performed at SENSOR lab, University of Brescia (Italy). We reported the developments in synthesis techniques for the preparation of doped and functionalized low-dimensional metal oxide materials. Furthermore, we discussed our achievements in the fabrication of heterostructures with unique functional features. In particular, we focused on the strategies to improve the sensing performance of metal oxides at relatively low operating temperatures. We presented our studies on surface photoactivation of sensing structures considering the application of biocompatible materials in the architecture of the functional devices as well.

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Section: Synthesis Of Low-dimensional Materialsmentioning

confidence: 99%

Chemical Gas Sensors Studied at SENSOR Lab, Brescia (Italy): From Conventional to Energy-Efficient and Biocompatible Composite Structures

Galstyan

Kaur

Zappa

et al. 2020

Sensors

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“…After that procedure, the substrate was covered with an ultrathin Au layer (5 nm) deposited by magnetron sputtering (MS) with a RF electrical power of 50 W and 7 sccm Ar flow (Kenotec, Italy). The methodology described above was applied to improve the SnO2 nanowires nucleation process, since Au metallic seeds act as nucleation sites that promote the growth of SnO2 nanowires in the Vapor Phase Deposition (VPD) [25].…”

Section: Deposition Of Sno2 Nanowiresmentioning

confidence: 99%

Surface Properties of Tin Dioxide SnO2 Nanowires Deposited on Si Substrate Covered by Au Catalyst Studies by XPS, TDS and SEM

Kwoka¹,

Sypien²,

Kulis³

et al. 2018

Preprint

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Abstract:The surface chemistry and the morphology of SnO2 nanowires, deposited by Vapour Phase Deposition (VPD) method on Au-covered silicon substrate, were studied before and after subsequent air exposure. For this purpose, surface-sensitive methods including X-ray Photoelectron Spectroscopy (XPS), Thermal Desorption Spectroscopy (TDS) and the Scanning Electron Microscopy (SEM) were applied. The studies presented within this paper allowed to determine the surface non-stoichiometry combined with the presence of carbon contaminations, in a good correlation with the surface morphology. The information obtained within this studies are of great importance for the potential application of SnO2 nanowires deposited on Au covered Si substrate in the field of novel chemical nanosensor devices, since the results can provide an interpretation of how aging effects influence gas sensor dynamic characteristics.

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“…Tin oxide based gas sensors have been used to detect the toxic gases and chemical agent simulants [9,15,279-284]. For example, tin oxide nanowires prepared by a vapor-liquid-solid deposition method was found to be very sensitive to acetonitrile and dimethyl methyl phosphonate, DMMP, the most commonly used simulant molecule for sarin.…”

Section: Applications In Environmental Monitoring and Gas Detectionmentioning

confidence: 99%

Semiconducting Metal Oxide Based Sensors for Selective Gas Pollutant Detection

Kanan

El‐Kadri

Abu‐Yousef

et al. 2009

Sensors

387

210

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Semiconducting tin oxide nanowires and thin films for Chemical Warfare Agents detection

Cited by 51 publications

References 20 publications

Chemical Gas Sensors Studied at SENSOR Lab, Brescia (Italy): From Conventional to Energy-Efficient and Biocompatible Composite Structures

Chemical Gas Sensors Studied at SENSOR Lab, Brescia (Italy): From Conventional to Energy-Efficient and Biocompatible Composite Structures

Surface Properties of Tin Dioxide SnO2 Nanowires Deposited on Si Substrate Covered by Au Catalyst Studies by XPS, TDS and SEM

Semiconducting Metal Oxide Based Sensors for Selective Gas Pollutant Detection

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